Home / 834,415.76-1,251,209.51-265,722.69

Finding the Fourth Proportional to 834,415.76, 1,251,209.51 and 265,722.69

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Solution

The fourth proportional to 834,415.76, 1,251,209.51 and 265,722.69 is: 398,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,415.76 : 1,251,209.51 = 265,722.69 : x
  2. Step 2: Convert to fraction form
    834,415.76/1,251,209.51 = 265,722.69/x
  3. Step 3: Cross multiply
    834,415.76x = 1,251,209.51 × 265,722.69
  4. Step 4: Simplify right side
    834,415.76x = 332,474,755,422.17
  5. Step 5: Solve for x
    x = 332,474,755,422.17/834,415.76
  6. Step 6: Final answer
    x = 398,452.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.